include/opencascade/Adaptor2d_Line2d.hxx

0001 // Created on: 1995-05-02
0002 // Created by: Modelistation
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Adaptor2d_Line2d_HeaderFile
0018 #define _Adaptor2d_Line2d_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <Standard_Real.hxx>
0024 #include <Adaptor2d_Curve2d.hxx>
0025 #include <GeomAbs_Shape.hxx>
0026 #include <Standard_Integer.hxx>
0027 #include <TColStd_Array1OfReal.hxx>
0028 #include <Standard_Boolean.hxx>
0029 #include <GeomAbs_CurveType.hxx>
0030 class gp_Pnt2d;
0031 class gp_Dir2d;
0032 class gp_Lin2d;
0033 class gp_Vec2d;
0034 class gp_Circ2d;
0035 class gp_Elips2d;
0036 class gp_Hypr2d;
0037 class gp_Parab2d;
0038 class Geom2d_BezierCurve;
0039 class Geom2d_BSplineCurve;
0040
0041 //! Use by the TopolTool to trim a surface.
0042
0043 class Adaptor2d_Line2d  : public Adaptor2d_Curve2d
0044 {
0045   DEFINE_STANDARD_RTTIEXT(Adaptor2d_Line2d, Adaptor2d_Curve2d)
0046 public:
0047
0048   Standard_EXPORT Adaptor2d_Line2d();
0049
0050   Standard_EXPORT Adaptor2d_Line2d(const gp_Pnt2d& P, const gp_Dir2d& D, const Standard_Real UFirst, const Standard_Real ULast);
0051
0052   //! Shallow copy of adaptor
0053   Standard_EXPORT virtual Handle(Adaptor2d_Curve2d) ShallowCopy() const Standard_OVERRIDE;
0054
0055   Standard_EXPORT void Load (const gp_Lin2d& L);
0056
0057   Standard_EXPORT void Load (const gp_Lin2d& L, const Standard_Real UFirst, const Standard_Real ULast);
0058
0059   Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE;
0060
0061   Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE;
0062
0063   Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE;
0064
0065   //! If necessary,  breaks the  curve in  intervals  of
0066   //! continuity  <S>.    And  returns   the number   of
0067   //! intervals.
0068   Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
0069
0070   //! Stores in <T> the  parameters bounding the intervals
0071   //! of continuity <S>.
0072   //!
0073   //! The array must provide  enough room to  accommodate
0074   //! for the parameters. i.e. T.Length() > NbIntervals()
0075   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
0076
0077   //! Returns    a  curve equivalent   of  <me>  between
0078   //! parameters <First>  and <Last>. <Tol>  is used  to
0079   //! test for 3d points confusion.
0080   //! If <First> >= <Last>
0081   Standard_EXPORT Handle(Adaptor2d_Curve2d) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE;
0082
0083   Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE;
0084
0085   Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE;
0086
0087   Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE;
0088
0089   Standard_EXPORT gp_Pnt2d Value (const Standard_Real X) const Standard_OVERRIDE;
0090
0091   Standard_EXPORT void D0 (const Standard_Real X, gp_Pnt2d& P) const Standard_OVERRIDE;
0092
0093   Standard_EXPORT void D1 (const Standard_Real X, gp_Pnt2d& P, gp_Vec2d& V) const Standard_OVERRIDE;
0094
0095   Standard_EXPORT void D2 (const Standard_Real X, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2) const Standard_OVERRIDE;
0096
0097   Standard_EXPORT void D3 (const Standard_Real X, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const Standard_OVERRIDE;
0098
0099   Standard_EXPORT gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE;
0100
0101   Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE;
0102
0103   Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE;
0104
0105   Standard_EXPORT gp_Lin2d Line() const Standard_OVERRIDE;
0106
0107   Standard_EXPORT gp_Circ2d Circle() const Standard_OVERRIDE;
0108
0109   Standard_EXPORT gp_Elips2d Ellipse() const Standard_OVERRIDE;
0110
0111   Standard_EXPORT gp_Hypr2d Hyperbola() const Standard_OVERRIDE;
0112
0113   Standard_EXPORT gp_Parab2d Parabola() const Standard_OVERRIDE;
0114
0115   Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE;
0116
0117   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
0118
0119   Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE;
0120
0121   Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE;
0122
0123   Standard_EXPORT Handle(Geom2d_BezierCurve) Bezier() const Standard_OVERRIDE;
0124
0125   Standard_EXPORT Handle(Geom2d_BSplineCurve) BSpline() const Standard_OVERRIDE;
0126
0127 private:
0128
0129   Standard_Real myUfirst;
0130   Standard_Real myUlast;
0131   gp_Ax2d myAx2d;
0132
0133 };
0134
0135 DEFINE_STANDARD_HANDLE(Adaptor2d_Line2d, Adaptor2d_Curve2d)
0136
0137 #endif // _Adaptor2d_Line2d_HeaderFile